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The main carryover component from the Veyron is the 7,993 cc (8.0 L) quad-turbochargedW16 engine, though it is heavily updated. The engine in the Chiron has a peak power output of 1,103 kW (1,500 PS; 1,479 hp) at 6,700 rpm and 1,600 N⋅m (1,180 lb⋅ft) of torque starting from 2,000 to 6,000 rpm.
Its predecessor, the Veyron Super Sport produces 220 kW (299 PS; 295 bhp) less than the new Chiron, while the original Veyron produces 367 kW (499 PS; 492 hp) less power.[10][11]

The Chiron can accelerate from 0–97 km/h (0–60 mph) in 2.4 seconds according to the manufacturer,[4] 0–200 km/h (0–124 mph) in 6.5 seconds and 0–300 km/h (0–186 mph) in 13.6 seconds. In a world-record-setting test, the Chiron reached 400 km/h (250 mph) in 32.6 seconds, after which it needed 9.4 seconds to brake to standstill.[16]

The Chiron's top speed is electronically limited to 420 km/h (261 mph) for safety reasons, mainly arising from the tyres as the manufacturer concluded that no tyre currently manufactured would be able to handle the stress at the top speed the Chiron is capable of achieving.[2]

The first 200 Chirons were sold before the first delivery of the car.[17] The base price is €2,400,000[18] (US$2,700,000 at the August 2016 exchange rate),[17] and buyers were required to place a €200,000 (US$226,000 at the August 2016 exchange rate) deposit.[17]

At the 2018 Geneva Motor Show, Bugatti unveiled the track focused iteration of the Chiron dubbed the Chiron Sport. Mechanically, the car is identical to its regular counterpart generating 1,500 PS (1,479 hp; 1,103 kW) from a quad-turbochargedW16 engine but is 18 kg (40 lb) lighter due to the extensive use of carbon fibre and utilises a stiffer suspension in order to increase the cornering ability of the car while maintaining its grand touring characteristics. The steering wheel of the car has also received modifications along with the introduction of a torque vectoring system to control the power sent to each wheel of the car for improved handling in tight corners. Aerodynamic improvements and light weight have been given special consideration in order to keep the car competitive on the race track. The Chiron Sport will be available in late 2018 at an additional cost of US$400,000 over the regular Chiron.[19][5]

At the 2017 IAA show in Frankfurt, Bugatti announced that the Chiron broke the record of fastest 0–400–0 km/h (0–249–0 mph), completing it in 41.96 seconds in a span of 3.2 kilometres (2 miles) at the Ehra-Lessien high-speed oval. The car was driven by Colombian racing driver Juan Pablo Montoya.[20][21][22]

Bugatti also added extra livery to the Chiron that they used to confirm that it was the same car that broke 0–400–0 km/h the fastest.[23] During the show, Bugatti also mentioned that during the run, the car went 0–100 km/h (0–62 mph) in 2.4 seconds, 0–200 km/h (0–124 mph) in 6.1 seconds, 0–300 km/h (0–186 mph) in 13.1 seconds, and 0–400 km/h (0–248.5 mph) in 32.6 seconds, which altogether, also makes the Chiron much faster than its predecessor, the Bugatti Veyron.[23]

The Chiron was recreated in LEGO as 2018’s annual Technic sports car. It was originally going to be released on August 1, 2018, but it was pushed to June 1, 2018. It is a 1:8 scale model with 3,600 individual parts.[24]

On August 30, 2018, LEGO unveiled a working life-size 1:1 scale model of the Chiron. With the exception of the wheels and the Bugatti badge, every part was constructed with LEGO Technic elements (339 unique types, over 1,000,000 pieces in total). The engine was created with the same LEGO's Power Functions motors found in standard models; it was estimated to produce 5.3 HP and 92 Nm of torque. The car was test driven by Andy Wallace, Bugatti's official test driver, at Volkswagen's Ehra Lessien test track.[25]